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annotate util.h @ 1102:c15896605bf2

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Clean up symbol visiblity and delete a ltitle bit of dead code
author Michael Pavone <pavone@retrodev.com>
date Mon, 28 Nov 2016 22:45:46 -0800
parents 51885857c019
children 22e87b739ad6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c
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1 #ifndef UTIL_H_
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2 #define UTIL_H_
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3
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4 #include <stdio.h>
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5 #include <time.h>
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6
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7 typedef struct {
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8 char *name;
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9 uint8_t is_dir;
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10 } dir_entry;
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12 #ifdef _WIN32
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13 #define PATH_SEP "\\"
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14 #else
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15 #define PATH_SEP "/"
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16 #endif
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17
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18 //Utility functions
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19
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20 //Allocates a new string containing the concatenation of first and second
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21 char * alloc_concat(char const * first, char const * second);
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22 //Allocates a new string containing the concatenation of the strings pointed to by parts
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23 char * alloc_concat_m(int num_parts, char const ** parts);
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24 //Returns the size of a file using fseek and ftell
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25 long file_size(FILE * f);
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26 //Strips whitespace and non-printable characters from the beginning and end of a string
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27 char * strip_ws(char * text);
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28 //Inserts a null after the first word, returns a pointer to the second word
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29 char * split_keyval(char * text);
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30 //Determines whether a character is a valid path separator for the current platform
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31 char is_path_sep(char c);
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32 //Determines whether a path is considered an absolute path on the current platform
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33 char is_absolute_path(char *path);
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34 //Returns the basename of a path with th extension (if any) stripped
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35 char * basename_no_extension(char *path);
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36 //Gets the smallest power of two that is >= a certain value, won't work for values > 0x80000000
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37 uint32_t nearest_pow2(uint32_t val);
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38 //Should be called by main with the value of argv[0] for use by get_exe_dir
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39 void set_exe_str(char * str);
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40 //Returns the directory the executable is in
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41 char * get_exe_dir();
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42 //Returns the user's home directory
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43 char * get_home_dir();
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44 //Returns an appropriate path for storing config files
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45 char const *get_config_dir();
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46 //Returns an appropriate path for saving non-config data like savestates
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47 char const *get_save_dir();
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48 //Reads a file bundled with the executable
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49 char *read_bundled_file(char *name, long *sizeret);
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50 //Retunrs an array of normal files and directories residing in a directory
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51 dir_entry *get_dir_list(char *path, size_t *numret);
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52 //Frees a dir list returned by get_dir_list
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53 void free_dir_list(dir_entry *list, size_t numentries);
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54 //Gets the modification time of a file
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55 time_t get_modification_time(char *path);
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56 //Recusrively creates a directory if it does not exist
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57 int ensure_dir_exists(char *path);
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58 //Returns the contents of a symlink in a newly allocated string
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59 char * readlink_alloc(char * path);
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60 //Prints an error message to stderr and to a message box if not in headless mode and then exits
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61 void fatal_error(char *format, ...);
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62 //Prints an information message to stdout and to a message box if not in headless mode and not attached to a console
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63 void info_message(char *format, ...);
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64 //Prints an information message to stderr and to a message box if not in headless mode and not attached to a console
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65 void warning(char *format, ...);
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67 #endif //UTIL_H_